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    <title>RGraph demo: A combined Bar and Spline chart</title>
    
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    <meta name="description" content="A nested grouped Bar chart" />
    
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    <h1>A nested grouped Bar chart</h1>
    
    <p>
        This is a variation on the already existing nested Bar chart,
        this one with the nested Bar chart being grouped.
    </p>

    <canvas id="cvs" width="700" height="250">[No canvas support]</canvas>
    <script>
        // The "master" inner data
        data_inner = [[4,2,5],[6,8,4],[4,8,9],[3,5,2],[1,5,5],[4,8,8],[6,3,5]];
        data_outer = [];




        // The totalled "outer" data
        data_inner.forEach(function (v, k, arr)
        {
            data_outer[k] = RGraph.arraySum(v);
        });

        var outer = new RGraph.Bar({
            id: 'cvs',
            data: data_outer,
            options: {
                labels: ['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'],
                colors: ['Gradient(#eee:#aaa)'],
                backgroundGridVlines: false,
                backgroundGridBorder: false,
                textSize: 12,
                shadow: false,
                strokestyle: 'rgba(0,0,0,0)',
                textAccessible: true,
                noaxes: true,
                labelsAbove: true,
                labelsAboveUnitsPost: 'kg',
                unitsPost: 'kg',
                gutterLeft: 50
            }
        }).grow()

        var inner = new RGraph.Bar({
            id: 'cvs',
            data: data_inner,
            options: {
                colors: ['red','green','blue'],
                key: ['Johnny','Rufus','Larna'],
                keyPosition: 'gutter',
                backgroundGrid: false,
                textSize: 12,
                shadow: false,
                strokestyle: 'rgba(0,0,0,0)',
                textAccessible: true,
                noaxes: true,
                ymax: outer.scale2.max,
                hmargin: 10,
                gutterLeft: outer.get('gutterLeft'),
                labelsAbove: true,
                labelsAboveColor: '#333',
                labelsAboveSize: 8,
                ylabels: false
            }
        }).wave()
    </script>







    <p></p>

    This goes in the documents header:
    <pre class="code">
&lt;script src="RGraph.common.core.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.common.key.js"&gt;&lt;/script&gt;
&lt;script src="RGraph.line.js"&gt;&lt;/script&gt;
</pre>
    
    Put this where you want the chart to show up:
    <pre class="code">
&lt;canvas id="cvs" width="700" height="250"&gt;
    [No canvas support]
&lt;/canvas&gt;
</pre>

    This is the code that generates the chart:
    <pre class="code">
&lt;script&gt;
    <span>// The "master" inner data</span>
    data_inner = [[4,2,5],[6,8,4],[4,8,9],[3,5,2],[1,5,5],[4,8,8],[6,3,5]];
    data_outer = [];




    <span>// The totalled "outer" data</span>
    data_inner.forEach(function (v, k, arr)
    {
        data_outer[k] = RGraph.arraySum(v);
    });

    var outer = new RGraph.Bar({
        id: 'cvs',
        data: data_outer,
        options: {
            labels: ['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'],
            colors: ['Gradient(#eee:#aaa)'],
            backgroundGridVlines: false,
            backgroundGridBorder: false,
            textSize: 12,
            shadow: false,
            strokestyle: 'rgba(0,0,0,0)',
            textAccessible: true,
            noaxes: true,
            labelsAbove: true,
            labelsAboveUnitsPost: 'kg',
            unitsPost: 'kg',
            gutterLeft: 50
        }
    }).grow()





    var inner = new RGraph.Bar({
        id: 'cvs',
        data: data_inner,
        options: {
            colors: ['red','green','blue'],
            key: ['Johnny','Rufus','Larna'],
            keyPosition: 'gutter',
            backgroundGrid: false,
            textSize: 12,
            shadow: false,
            strokestyle: 'rgba(0,0,0,0)',
            textAccessible: true,
            noaxes: true,
            ymax: outer.scale2.max,
            hmargin: 10,
            gutterLeft: outer.get('gutterLeft'),
            labelsAbove: true,
            labelsAboveColor: '#333',
            labelsAboveSize: 8,
            ylabels: false
        }
    }).wave()
&lt;/script&gt;
</pre>


    
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